Invasion
Invasion Description
1st Established Record: South Africa/Alexander Bay, breeding in enclosed oyster dams (2007, Griffiths et al. 2009).
1st Record: South Africa/Knysna Estuary (1946, Haupt et al. 2010, not established). Populations were seen in Saldanha Bay and St Helena Bay in the 1980s and 90s, but apparently did not persist.
Geographic Extent
South Africa/Alexander Bay, breeding in enclosed oyster dams (2007, Griffiths et al. 2009); South Africa/Saldanha Bay (1980s and 90s, Haupt et al. 2010, not established); South Africa/St Helena Bay(1980s and 90s, Haupt et al. 2010, not established); Namibia/Atlantic Ocean (Ruesink et al. 2005, cultured)
Vectors
| Level | Vector |
|---|---|
| Probable | Oyster Intentional |
Regional Impacts
| Economic Impact | Fisheries | |
| Ostrea edulis is cultured in South African waters, but is dependent on hatchery-reared spat (Ruesink et al. 2005; Haupt et al. 2010). | ||